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63 lines
2.4 KiB
63 lines
2.4 KiB
4 months ago
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#!/bin/sh
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#
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# Check mmap/mmap2, madvise, mlockall, mprotect, mremap, msync, and munmap
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# syscalls decoding.
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#
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# Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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# Copyright (c) 2015-2018 The strace developers.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. The name of the author may not be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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. "${srcdir=.}/init.sh"
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check_prog grep
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check_prog sed
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run_prog > /dev/null
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xlat_opt=""
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[ "$#" -gt 0 ] && xlat_opt="-X$1"
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align=20
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[ "$#" -gt 1 ] && align="$2"
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syscall=
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for n in mmap mmap2; do
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$STRACE -e$n -h > /dev/null && syscall=$syscall,$n
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done
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run_strace -e$syscall $args > /dev/null
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if grep '^mmap(NULL, 0, \(0 /* PROT_NONE */\|0\|PROT_NONE\),' < "$LOG" > /dev/null; then
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mmap=mmap
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elif grep '^mmap2(NULL, 0, \(0 \/\* PROT_NONE \*\/\|0\|PROT_NONE\),' < "$LOG" > /dev/null; then
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mmap=mmap2
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else
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dump_log_and_fail_with "mmap/mmap2 not found in $STRACE $args output"
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fi
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syscall=$mmap,madvise,mlockall,mprotect,mremap,msync,munmap
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run_prog "../$NAME" $mmap > /dev/null
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run_strace -a$align -e$syscall $xlat_opt $args > "$EXP"
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sed -n "/^$mmap(NULL, 0, \(0 \/\* PROT_NONE \*\/\|0\|PROT_NONE\),/,\$p" < "$LOG" > "$OUT"
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match_diff "$OUT" "$EXP"
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